TY  - RPRT
TI  - A rapid method for describing the efficacy of early intervention programs for developmentally disabled children.
AU  - D Sommers
AU  - G McGregor
AU  - E Lesh
AU  - S Reed
PY  - 1980
UR  - https://pubmed.ncbi.nlm.nih.gov/6166830/
ID  - 6166830
ER  -